/* 集成页面基础样式 */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-weight: 300;
}

body {
    font-family: "Microsoft YaHei", sans-serif;
    color: white;
    font-weight: 300;
    overflow: hidden;
    height: 100vh;
}

/* 音乐控制按钮 */
.music-control {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: none;
}

/* 音乐控制按钮显示状态 */
.music-control.show {
    display: block;
}

.music-btn {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.music-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.music-btn.playing {
    background: rgba(238, 156, 167, 0.8);
    animation: musicRotate 3s linear infinite;
}

/* 默认主题音乐按钮播放状态 */
.theme-default .music-btn.playing {
    background: rgba(238, 156, 167, 0.8);
}

.music-icon {
    font-size: 20px;
    color: white;
}

/* SVG图标样式 */
.music-btn svg {
    width: 24px;
    height: 24px;
    color: white;
}

/* 音乐按钮暂停状态 - 移除旋转动画 */
.music-btn:not(.playing) {
    animation: none;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* 音乐按钮旋转动画 */
@keyframes musicRotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* 主容器 */
.integrated-container {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

/* 屏幕基础样式 */
.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.92);
    transition: opacity 1.2s cubic-bezier(0.2, 0, 0, 1),
                transform 1.2s cubic-bezier(0.2, 0, 0, 1),
                visibility 0s 1.2s;
}

.screen.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
    transition: opacity 1.2s cubic-bezier(0.2, 0, 0, 1),
                transform 1.2s cubic-bezier(0.2, 0, 0, 1),
                visibility 0s;
}

/* 第一屏：登录验证 */
.screen-1 {
    background: #ee9ca7;
    background: linear-gradient(to bottom right, #ee9ca7 0%, #ee9ca7 100%);
}

.login-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 80px 0;
    height: 400px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.login-title {
    font-size: 40px;
    transition-duration: 1s;
    transition-timing-function: ease-in-out;
    font-weight: 200;
    margin-bottom: 30px;
    position: relative;
    z-index: 10;
}

/* 生日快乐文字动画效果 */
.login-title.animate-to-center {
    animation: moveDown 1.5s ease-in-out forwards;
}

@keyframes moveDown {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(100px);
    }
}

.login-form {
    padding: 20px 0;
    position: relative;
    z-index: 2;
}

.login-form input {
    appearance: none;
    outline: 0;
    border: 1px solid rgba(255, 255, 255, 0.4);
    background-color: rgba(255, 255, 255, 0.2);
    width: 250px;
    border-radius: 3px;
    padding: 10px 15px;
    margin: 0 auto 10px auto;
    display: block;
    text-align: center;
    font-family: "Microsoft YaHei";
    font-size: 18px;
    color: white;
    transition-duration: 0.25s;
    font-weight: 300;
}

.login-form input::placeholder {
    color: white;
    opacity: 0.8;
}

.login-form input:hover {
    background-color: rgba(255, 255, 255, 0.4);
}

.login-form input:focus {
    background-color: white;
    width: 300px;
    color: #79A8AE;
}

.login-form button {
    appearance: none;
    outline: 0;
    background-color: white;
    font-family: "Microsoft YaHei";
    border: 0;
    padding: 10px 15px;
    color: #79A8AE;
    border-radius: 3px;
    width: 250px;
    cursor: pointer;
    font-size: 18px;
    transition-duration: 0.25s;
}

.login-form button:hover {
    background-color: #f5f7f9;
}

/* 第二屏：动画展示 */
.screen-2 {
    /* 移除硬编码背景色，让主题样式生效 */
    font-family: "Avenir", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: #666;
    font-size: 16px;
    line-height: 1.5em;
}

/* 第二屏主题颜色样式 - 使用body--ready类 */
.theme-default .body--ready {
    background: -webkit-linear-gradient(top, #ee9ca7 0%, #ffdde1 120%);
    background: -moz-linear-gradient(top, #ee9ca7 0%, #ffdde1 120%);
    background: -o-linear-gradient(top, #ee9ca7 0%, #ffdde1 120%);
    background: -ms-linear-gradient(top, #ee9ca7 0%, #ffdde1 120%);
    background: linear-gradient(to top, #ee9ca7 0%, #ffdde1 120%);
}

.theme-blue .body--ready {
    background: -webkit-linear-gradient(top, #6495ed 0%, #4169e1 120%);
    background: -moz-linear-gradient(top, #6495ed 0%, #4169e1 120%);
    background: -o-linear-gradient(top, #6495ed 0%, #4169e1 120%);
    background: -ms-linear-gradient(top, #6495ed 0%, #4169e1 120%);
    background: linear-gradient(to top, #6495ed 0%, #4169e1 120%);
}

.theme-red .body--ready {
    background: -webkit-linear-gradient(top, #A23025 0%, #7a1e16 120%);
    background: -moz-linear-gradient(top, #A23025 0%, #7a1e16 120%);
    background: -o-linear-gradient(top, #A23025 0%, #7a1e16 120%);
    background: -ms-linear-gradient(top, #A23025 0%, #7a1e16 120%);
    background: linear-gradient(to top, #A23025 0%, #7a1e16 120%);
}

.theme-teal .body--ready {
    background: -webkit-linear-gradient(top, #68C2B9 0%, #3a9e93 120%);
    background: -moz-linear-gradient(top, #68C2B9 0%, #3a9e93 120%);
    background: -o-linear-gradient(top, #68C2B9 0%, #3a9e93 120%);
    background: -ms-linear-gradient(top, #68C2B9 0%, #3a9e93 120%);
    background: linear-gradient(to top, #68C2B9 0%, #3a9e93 120%);
}

.theme-green .body--ready {
    background: -webkit-linear-gradient(top, #7CA32C 0%, #537a14 120%);
    background: -moz-linear-gradient(top, #7CA32C 0%, #537a14 120%);
    background: -o-linear-gradient(top, #7CA32C 0%, #537a14 120%);
    background: -ms-linear-gradient(top, #7CA32C 0%, #537a14 120%);
    background: linear-gradient(to top, #7CA32C 0%, #537a14 120%);
}

.theme-orange .body--ready {
    background: -webkit-linear-gradient(top, #DE5B24 0%, #a83b10 120%);
    background: -moz-linear-gradient(top, #DE5B24 0%, #a83b10 120%);
    background: -o-linear-gradient(top, #DE5B24 0%, #a83b10 120%);
    background: -ms-linear-gradient(top, #DE5B24 0%, #a83b10 120%);
    background: linear-gradient(to top, #DE5B24 0%, #a83b10 120%);
}

.theme-purple .body--ready {
    background: -webkit-linear-gradient(top, #BB4B5B 0%, #882c3b 120%);
    background: -moz-linear-gradient(top, #BB4B5B 0%, #882c3b 120%);
    background: -o-linear-gradient(top, #BB4B5B 0%, #882c3b 120%);
    background: -ms-linear-gradient(top, #BB4B5B 0%, #882c3b 120%);
    background: linear-gradient(to top, #BB4B5B 0%, #882c3b 120%);
}

.theme-lemon .body--ready {
    background: -webkit-linear-gradient(top, #FBE484 0%, #E6D260 120%);
    background: -moz-linear-gradient(top, #FBE484 0%, #E6D260 120%);
    background: -o-linear-gradient(top, #FBE484 0%, #E6D260 120%);
    background: -ms-linear-gradient(top, #FBE484 0%, #E6D260 120%);
    background: linear-gradient(to top, #FBE484 0%, #E6D260 120%);
}

.animation-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    /* 高DPI设备优化 */
    image-rendering: auto;
    -webkit-image-rendering: auto;
    /* 启用硬件加速 */
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    /* 防止模糊 */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    /* 优化渲染性能 */
    will-change: transform;
    /* 字体渲染优化 */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.animation-help {
    position: absolute;
    top: 40px;
    right: 40px;
    width: 25px;
    height: 25px;
    text-align: center;
    font-size: 13px;
    line-height: 27px;
    font-weight: bold;
    cursor: pointer;
    background: #fff;
    color: #79a8ae;
    opacity: .9;
    border-radius: 50%;
    transition: opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
    z-index: 10;
}

.animation-help:hover {
    opacity: 1;
}

.animation-ui {
    position: absolute;
    left: 50%;
    bottom: 5%;
    width: 300px;
    margin-left: -150px;
    z-index: 10;
}

.ui-input {
    display: none;
    width: 100%;
    height: 50px;
    background: none;
    font-size: 24px;
    font-weight: bold;
    color: #fff;
    text-align: center;
    border: none;
    border-bottom: 2px solid white;
}

.ui-input:focus {
    outline: none;
    border: none;
    border-bottom: 2px solid white;
}

.ui-return {
    display: none;
    position: absolute;
    top: 20px;
    right: 0;
    padding: 3px 2px 0 2px;
    font-size: 10px;
    line-height: 10px;
    color: #fff;
    border: 1px solid #fff;
}

.ui--enter .ui-return {
    display: block;
}

.ui--wide {
    width: 76%;
    margin-left: 12%;
    left: 0;
}

.ui--wide .ui-return {
    right: -20px;
}

.animation-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 550px;
    height: 490px;
    margin: -260px 0 0 -275px;
    opacity: 0;
    transform: rotateY(90deg);
    transition: all 0.7s cubic-bezier(0.694, 0.0482, 0.335, 1);
}

.animation-overlay--visible {
    opacity: 1;
    transform: rotateY(0);
}

.tabs {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.tabs-labels {
    margin-bottom: 9px;
    display: flex;
    gap: 2px;
}

.tabs-label {
    display: inline-block;
    background: #fff;
    padding: 10px 20px;
    font-size: 12px;
    line-height: 22px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #333;
    opacity: .5;
    cursor: pointer;
    transition: opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
}

.tabs-label:hover {
    opacity: .9;
}

.tabs-label--active {
    opacity: .9;
}

.tabs-panel {
    display: none;
}

.tabs-panel--active {
    display: block;
}

.commands {
    margin: 0;
    padding: 0;
    list-style: none;
    cursor: pointer;
}

.commands-item {
    font-size: 12px;
    line-height: 22px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 20px;
    background: #fff;
    margin-top: 1px;
    color: #333;
    opacity: .9;
    transition: all 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
}

.commands-item--gap {
    margin-top: 9px;
}

.commands-item:hover {
    opacity: 1;
}

.commands-item:hover .commands-item-action {
    background: #333;
}

.commands-item-mode {
    display: inline-block;
    margin-left: 3px;
    font-style: italic;
    color: #ccc;
}

.commands-item-title {
    display: inline-block;
    width: 150px;
}

.commands-item-info {
    display: inline-block;
    width: 300px;
    font-size: 14px;
    text-transform: none;
    letter-spacing: 0;
    font-weight: normal;
    color: #aaa;
}

.commands-item-action {
    display: inline-block;
    float: right;
    margin-top: 3px;
    text-transform: uppercase;
    font-size: 10px;
    line-height: 10px;
    color: #fff;
    background: #90c9d1;
    padding: 5px 10px 4px 10px;
    border-radius: 3px;
}

/* 第三屏：生日蛋糕 */
.screen-3 {
    background: #ee9ca7;
    background: linear-gradient(to bottom right, #ee9ca7 0%, #ee9ca7 100%);
    display: block;
    margin: 0px;
    overflow: hidden;
}

#cake {
    display: block;
    position: relative;
    margin-top: -10em;
    margin-bottom: 0px;
    margin-left: auto;
    margin-right: auto;
}

/* 第三屏元素初始状态 - 完全隐藏，等待JavaScript控制显示 */
#cake path {
    display: none; /* 初始隐藏，等待动画开始 */
}

.velas, .happy, .button-style1 {
    display: none; /* 初始隐藏，等待动画开始 */
}

/* 蜡烛样式 - 与birthdaycake.css保持一致 */
.velas {
    background: #ffffff;
    border-radius: 10px;
    position: relative;
    top: 247px;
    left: 50%;
    width: 5px;
    height: 35px;
    -webkit-transform: translateY(-300px) translate(-50%, -50%);
    -ms-transform: translateY(-300px);
    transform: translateY(-300px) translate(-50%, -50%);
    -webkit-backface-visibility: hidden;
    -ms-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-perspective: 1000px;
    -ms-perspective: 1000px;
    perspective: 1000px;
    -webkit-animation: in 500ms 4.5s ease-out forwards;
    animation: in 500ms 4.5s ease-out forwards;
}

.velas:after,
.velas:before {
    background: rgba(255, 0, 0, 0.4);
    content: "";
    position: absolute;
    width: 100%;
    height: 2.22222222px;
}

.velas:after {
    top: 25%;
    left: 0;
}

.velas:before {
    top: 45%;
    left: 0;
}

/* 火焰样式 */
.fuego {
    border-radius: 100%;
    position: absolute;
    top: -20px;
    left: 50%;
    margin-left: -3px;
    width: 6.66666667px;
    height: 18px;
    -webkit-backface-visibility: hidden;
    -ms-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-perspective: 1000px;
    -ms-perspective: 1000px;
    perspective: 1000px;
}

.fuego:nth-child(1) {
    -webkit-animation: fuego 2s 6.5s infinite;
    animation: fuego 2s 6.5s infinite;
}

.fuego:nth-child(2) {
    -webkit-animation: fuego 1.5s 6.5s infinite;
    animation: fuego 1.5s 6.5s infinite;
}

.fuego:nth-child(3) {
    -webkit-animation: fuego 1s 6.5s infinite;
    animation: fuego 1s 6.5s infinite;
}

.fuego:nth-child(4) {
    -webkit-animation: fuego 0.5s 6.5s infinite;
    animation: fuego 0.5s 6.5s infinite;
}

.fuego:nth-child(5) {
    -webkit-animation: fuego 0.2s 6.5s infinite;
    animation: fuego 0.2s 6.5s infinite;
}

@-webkit-keyframes fuego {
    0%, 100% {
        background: rgba(254, 248, 97, 0.5);
        box-shadow: 0 0 40px 10px rgba(248, 233, 209, 0.2);
        -webkit-transform: translateY(0) scale(1);
        transform: translateY(0) scale(1);
    }
    50% {
        background: rgba(255, 50, 0, 0.1);
        box-shadow: 0 0 40px 20px rgba(248, 233, 209, 0.2);
        -webkit-transform: translateY(-20px) scale(0);
        transform: translateY(-20px) scale(0);
    }
}

@keyframes fuego {
    0%, 100% {
        background: rgba(254, 248, 97, 0.5);
        box-shadow: 0 0 40px 10px rgba(248, 233, 209, 0.2);
        -webkit-transform: translateY(0) scale(1);
        transform: translateY(0) scale(1);
    }
    50% {
        background: rgba(255, 50, 0, 0.1);
        box-shadow: 0 0 40px 20px rgba(248, 233, 209, 0.2);
        -webkit-transform: translateY(-20px) scale(0);
        transform: translateY(-20px) scale(0);
    }
}

@-webkit-keyframes in {
    to {
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
}

@keyframes in {
    to {
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
}

.happy {
    position: absolute;
    left: 50%;
    top: 45%; /* 初始位置，动画会移动到55% */
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    opacity: 0; /* 初始透明度，动画会变为1 */
    -webkit-backface-visibility: hidden;
    -ms-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-perspective: 1000px;
    -ms-perspective: 1000px;
    perspective: 1000px;
    text-align: center;
    width: 100%;
    font-family: 'Kablammo', cursive;
    font-size: 50px;
    color: #FFFFFF;
}

@-webkit-keyframes happybirthdays {
    0% {
        top: 45%;
        opacity: 0;
    }
    70% {
        top: 50%;
        opacity: 0;
    }
    100% {
        top: 55%;
        opacity: 1;
    }
}

@keyframes happybirthdays {
    0% {
        top: 45%;
        opacity: 0;
    }
    70% {
        top: 50%;
        opacity: 0;
    }
    100% {
        top: 55%;
        opacity: 1;
    }
}

.button-style1 {
    position: absolute;
    top: 70%;
    opacity: 0; /* 初始透明度，动画会变为1 */
    z-index: 100;
    left: 25%; /* 初始位置，动画会移动到50% */
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    -webkit-backface-visibility: hidden;
    -ms-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-perspective: 1000px;
    -ms-perspective: 1000px;
    perspective: 1000px;
}

@-webkit-keyframes btn1 {
    0% {
        opacity: 0;
        left: 25%;
    }
    50% {
        opacity: 0;
        left: 37.5%;
    }
    70% {
        opacity: 0;
        left: 45%;
    }
    100% {
        opacity: 1;
        left: 50%;
        -webkit-transform: translateX(-50%);
        transform: translateX(-50%);
    }
}

@keyframes btn1 {
    0% {
        opacity: 0;
        left: 25%;
    }
    50% {
        opacity: 0;
        left: 37.5%;
    }
    70% {
        opacity: 0;
        left: 45%;
    }
    100% {
        opacity: 1;
        left: 50%;
        -webkit-transform: translateX(-50%);
        transform: translateX(-50%);
    }
}

.lk1 {
    text-decoration: none;
    font-family: 'Microsoft YaHei', cursive;
    color: #fff;
    -webkit-transition: all 0.5s;
    transition: all 0.5s;
}

.link1 {
    width: 170px;
    height: 60px;
    border: 2px solid #fff;
    border-radius: 30px;
    font-size: 23px;
    text-align: center;
    background: #ee9ca7;
    -webkit-transition: all 0.8s;
    transition: all 0.8s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bt1 {
    position: relative;
    top: 0;
    vertical-align: middle;
}

/* 背景气泡 */
.bg-bubbles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.bg-bubbles li {
    position: absolute;
    list-style: none;
    display: block;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.15);
    bottom: -160px;
    -webkit-animation: square 20s infinite;
    animation: square 20s infinite;
    -webkit-transition-timing-function: linear;
    transition-timing-function: linear;
}

.bg-bubbles li:nth-child(1) {
    left: 10%;
}

.bg-bubbles li:nth-child(2) {
    left: 20%;
    width: 80px;
    height: 80px;
    -webkit-animation-delay: 2s;
    animation-delay: 2s;
    -webkit-animation-duration: 17s;
    animation-duration: 17s;
}

.bg-bubbles li:nth-child(3) {
    left: 25%;
    -webkit-animation-delay: 4s;
    animation-delay: 4s;
}

.bg-bubbles li:nth-child(4) {
    left: 40%;
    width: 60px;
    height: 60px;
    -webkit-animation-duration: 22s;
    animation-duration: 22s;
    background-color: rgba(255, 255, 255, 0.25);
}

.bg-bubbles li:nth-child(5) {
    left: 70%;
}

.bg-bubbles li:nth-child(6) {
    left: 80%;
    width: 120px;
    height: 120px;
    -webkit-animation-delay: 3s;
    animation-delay: 3s;
    background-color: rgba(255, 255, 255, 0.2);
}

.bg-bubbles li:nth-child(7) {
    left: 32%;
    width: 160px;
    height: 160px;
    -webkit-animation-delay: 7s;
    animation-delay: 7s;
}

.bg-bubbles li:nth-child(8) {
    left: 55%;
    width: 20px;
    height: 20px;
    -webkit-animation-delay: 15s;
    animation-delay: 15s;
    -webkit-animation-duration: 40s;
    animation-duration: 40s;
}

.bg-bubbles li:nth-child(9) {
    left: 25%;
    width: 10px;
    height: 10px;
    -webkit-animation-delay: 2s;
    animation-delay: 2s;
    -webkit-animation-duration: 40s;
    animation-duration: 40s;
    background-color: rgba(255, 255, 255, 0.3);
}

.bg-bubbles li:nth-child(10) {
    left: 90%;
    width: 160px;
    height: 160px;
    -webkit-animation-delay: 11s;
    animation-delay: 11s;
}

@-webkit-keyframes square {
    0% {
        -webkit-transform: translateY(0) rotate(0deg);
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        -webkit-transform: translateY(-1000px) rotate(600deg);
        transform: translateY(-1000px) rotate(600deg);
        opacity: 0;
    }
}

@keyframes square {
    0% {
        -webkit-transform: translateY(0) rotate(0deg);
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        -webkit-transform: translateY(-1000px) rotate(600deg);
        transform: translateY(-1000px) rotate(600deg);
        opacity: 0;
    }
}

.like-button {
    text-decoration: none;
    font-family: 'Microsoft YaHei', cursive;
    color: #fff;
    transition: all 0.5s;
}

.like-btn {
    width: 170px;
    height: 60px;
    border: 2px solid #fff;
    border-radius: 30px;
    font-size: 23px;
    text-align: center;
    background: #ee9ca7; /* 默认背景色，会被主题颜色覆盖 */
    transition: all 0.8s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.like-text {
    position: relative;
    top: 0;
    vertical-align: middle;
}

/* 第四屏：回忆展示 */
.screen-4 {
    background: #fffcfc;
    overflow: hidden;
    padding: 0 !important;
    overscroll-behavior-y: none;
}

/* iOS Safari 安全区域适配 - 兼容性版本 */
@supports (padding: max(0px)) {
    .screen-4 {
        padding-top: max(40px, env(safe-area-inset-top));
        padding-left: 0;
        padding-right: 0;
    }
}

/* 为不支持 max() 的浏览器提供备用方案 */
@supports not (padding: max(0px)) {
    .screen-4 {
        padding-top: calc(40px + env(safe-area-inset-top));
    }
}

.bgcolor {
    background: #ee9ca7;
    background: -webkit-linear-gradient(top left, #ee9ca7 0%, #ee9ca7 100%);
    background: linear-gradient(to bottom right, #ee9ca7 0%, #ee9ca7 100%);
    opacity: 0.9;
}

#dowebok {
    position: relative;
    width: 100%;
    height: 100%;
}

.section {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 20px;
    box-sizing: border-box;
}

.timeline {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(255, 255, 255, 0.3);
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
}

.timepoint11, .timepoint21, .timepoint31 {
    position: absolute;
    left: 50%;
    width: 12px;
    height: 12px;
    background: #fff;
    border-radius: 50%;
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    opacity: 0;
    -webkit-transition: opacity 0.5s ease;
    transition: opacity 0.5s ease;
}

.timepoint11 {
    top: 20%;
}

.timepoint21 {
    top: 40%;
}

.timepoint31 {
    top: 60%;
}

/* 回忆盒子样式 */
.ly-box11, .ly-box12, .ly-box21, .ly-box22, .ly-box23, .ly-box31, .ly-box32, .ly-box81, .ly-box82 {
    position: relative;
    margin: 20px 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    -webkit-transform: translateY(30px);
    -ms-transform: translateY(30px);
    transform: translateY(30px);
    -webkit-transition: all 0.8s ease;
    transition: all 0.8s ease;
}

.ly-box11.active, .ly-box12.active, .ly-box21.active, .ly-box22.active, 
.ly-box23.active, .ly-box31.active, .ly-box32.active, .ly-box81.active, .ly-box82.active {
    opacity: 1;
    -webkit-transform: translateY(0);
    -ms-transform: translateY(0);
    transform: translateY(0);
}

/* 文字样式 */
.ly-txt11, .ly-txt12, .ly-txt13, .ly-txt14, .ly-txt22, .ly-txt25, .ly-txt32, .ly-txt33, .ly-txt34, .ly-txt82, .ly-txt-audio {
    font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
    color: #FFFFFF;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
    margin: 10px 0;
}

.ly-txt320 {
    font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
    color: #FFFFFF;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
    margin: 10px 0;
    font-size: 18px;
}


.wwww1 {
    font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
    color: #FFFFFF;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
    font-size: 16px;
    text-align: center;
}

/* 图片样式 */
.ly-imgbox11, .ly-imgbox12, .ly-imgbox21, .ly-imgbox22, .ly-imgbox23, .ly-imgbox31, .ly-imgbox32, .ly-imgbox81 {
    margin: 15px 0;
    text-align: center;
}

.ly-img11, .ly-img12, .ly-img21, .ly-img22, .ly-img23, .ly-img31, .ly-img32, .ly-img81 {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* 三角形装饰 */
.ly-triangle11, .ly-triangle12, .ly-triangle21, .ly-triangle22, .ly-triangle23, .ly-triangle31, .ly-triangle32, .ly-triangle82 {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    -webkit-transition: opacity 0.5s ease;
    transition: opacity 0.5s ease;
}

.ly-triangle11.active, .ly-triangle12.active, .ly-triangle21.active, .ly-triangle22.active, 
.ly-triangle23.active, .ly-triangle31.active, .ly-triangle32.active, .ly-triangle82.active {
    opacity: 1;
}

/* 音频区域 */
.ly-box-audio {
    position: relative;
    margin: 20px 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    text-align: center;
}

.ly-txt-audio {
    font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
    color: #FFFFFF;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
    font-size: 18px;
    margin-bottom: 15px;
}

.ly-audiobox {
    margin-top: 15px;
}

.music-player {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

/* 滚动提示 */
.ly-txt84-scroll-tip {
    font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
    color: #FFFFFF;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
    font-size: 14px;
    text-align: center;
    margin-bottom: 10px;
    opacity: 0.7;
}

.ly-txt84-container {
    position: relative;
    max-height: 300px;
    overflow-y: auto;
    padding: 10px;
}

.ly-txt84-content {
    font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
    color: #FFFFFF;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
    line-height: 1.6;
}

.ly-txt84-decoration-top, .ly-txt84-decoration-bottom {
    position: absolute;
    left: 0;
    right: 0;
    height: 20px;
    background: linear-gradient(to bottom, rgba(238, 156, 167, 0.8), transparent);
    pointer-events: none;
}

.ly-txt84-decoration-top {
    top: 0;
    background: linear-gradient(to bottom, rgba(238, 156, 167, 0.8), transparent);
}

.ly-txt84-decoration-bottom {
    bottom: 0;
    background: linear-gradient(to top, rgba(238, 156, 167, 0.8), transparent);
}

.memory-box {
    margin: 30px auto;
    max-width: 850px;
    text-align: center;
    padding: 10px;
}

.memory-text {
    text-align: center;
    color: #FFFFFF;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8);
    margin: 50px auto 0 auto;
    font-size: 28px;
    font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
    max-width: 850px;
    box-sizing: border-box;
}

.memory-text p {
    margin: 10px 0;
    text-align: center;
    color: #FFFFFF;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8);
    font-size: 28px;
    font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
    line-height: 1.8;
}

.memory-content {
    padding: 20px;
    font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
    font-size: 24px;
    color: #FFFFFF;
    line-height: 1.8;
    text-align: center;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8);
    margin: 0 auto 50px auto;
    max-width: 850px;
    box-sizing: border-box;
}

/* 祝福语内容特殊样式 */
#blessingContent {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    color: #553d2f !important;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.5) !important;
}

#blessingContent p {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    color: #553d2f !important;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.5) !important;
}

#blessingContent p strong {
    font-weight: bold !important;
    color: #553d2f !important;
    font-size: 1.1em !important; /* 稍微增大字体 */
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3) !important; /* 添加阴影增强效果 */
}

.memory-image-container {
    position: relative;
    width: 100%;
    max-width: 850px;
    margin: 50px auto;
    overflow: visible;
    box-sizing: border-box;
}

/* 最后的图片和祝福语容器之间的空间 */
.memory-group:last-child .memory-image-container {
    margin-bottom: 30px;
}

.memory-image {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    max-height: none;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    margin: 0;
    padding: 0;
}

/* 祝福内容样式 - 参考memories.html */
.memory-content-container {
    position: relative;
    width: 100%;
    max-width: 850px;
    margin: 30px auto;
    background-color: rgba(255, 249, 239, 0.95);
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(210, 180, 140, 0.3) inset;
    border: 1px solid rgba(210, 180, 140, 0.5);
    overflow: hidden;
    text-align: center;
    font-family: 'STKaiti', 'Microsoft YaHei', serif;
    font-size: 26px;
    color: #553d2f;
    box-sizing: border-box;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 0.8;
        transform: translateY(0);
    }
}

.memory-content-decoration-top,
.memory-content-decoration-bottom {
    height: 30px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: auto 100%;
    margin: 0 auto 15px auto;
    width: 100%;
    max-width: 600px;
    opacity: 0.9;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="600" height="30" viewBox="0 0 600 30"><path d="M50,15 Q150,5 300,15 Q450,25 550,15" stroke="%23d4a08c" stroke-width="1.5" fill="none" stroke-linecap="round"/></svg>');
}

.memory-content-decoration-bottom {
    margin: 15px auto 0 auto;
    transform: rotate(180deg);
}

/* 音频播放区域 */
.memory-audio-section {
    padding: 14px 16px;
    margin: 18px auto;
    max-width: 800px;
    background-color: rgba(255, 255, 255, 0.7);
    border: 2px solid rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.memory-audio-text {
    text-align: center;
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    font-size: 24px;
    color: #ff85a2;
    margin-bottom: 10px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.audio-player {
    width: 100%;
    height: 160px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    overflow: hidden;
    background-color: rgba(255, 255, 255, 0.1); /* 添加背景色确保可见 */
}

.audio-player iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 10px;
    display: block; /* 确保iframe显示 */
}

/* 背景气泡 */

/* 响应式设计 */
@media (max-width: 768px) {
    .login-container {
        padding: 40px 20px;
    }
    
    .login-title {
        font-size: 30px;
    }
    
    .login-form input,
    .login-form button {
        width: 200px;
    }
    
    .login-form input:focus {
        width: 220px;
    }
    
    /* 第二屏移动端优化 */
    .screen-2 {
        min-height: 100vh;
        min-width: 100vw;
        /* 移动端防止滚动 */
        overflow: hidden;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
    }
    
    .animation-canvas {
        /* 移动端Canvas超高清优化 */
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
        /* 移动端硬件加速 */
        transform: translate3d(0, 0, 0);
        -webkit-transform: translate3d(0, 0, 0);
        /* 移动端防止模糊 */
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
        /* 移动端优化渲染 */
        will-change: transform;
        /* 移动端触摸优化 */
        touch-action: none;
        /* 移动端字体渲染优化 */
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        /* 移动端像素完美渲染 */
        -webkit-perspective: 1000px;
        perspective: 1000px;
        /* 移动端强制GPU渲染 */
        -webkit-transform-style: preserve-3d;
        transform-style: preserve-3d;
        /* 移动端抗锯齿优化 */
        -webkit-text-stroke: 0.01em transparent;
    }
    
    .animation-overlay {
        width: 90%;
        height: auto;
        margin: -200px 0 0 -45%;
    }
    
    .memory-box {
        margin: 10px auto;
        max-width: 100%;
        width: 100%;
    }
    
    .memories-container {
        padding: 0;
        text-align: center;
        margin: 0;
    }
    
    .memory-group {
        text-align: center;
    }
    
    /* 第四屏移动端优化 */
    .memory-image-container {
        width: 100%;
        max-width: 850px;
        margin: 15px auto;
        padding: 0;
        box-sizing: border-box;
    }
    
    /* 移动端图片优化 */
    .memory-image {
        width: 100%;
        border-radius: 4px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }
    
    /* 确保祝福语容器与图片宽度一致 */
    .memory-text,
    .memory-content,
    .memory-content-container {
        width: 100%;
        max-width: 850px;
        margin-left: auto;
        margin-right: auto;
        box-sizing: border-box;
    }
    
    /* 全新的祝福语容器优化，确保完全居中且与图片宽度一致 */
    
    /* 第四屏容器 - 完全居中布局 */
    .screen-4 {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
        box-sizing: border-box !important;
    }
    
    /* 内存盒容器 - 确保与图片宽度一致 */
    .memory-box {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        box-sizing: border-box !important;
    }
    
    /* 内存图片容器 - 作为宽度基准 */
    .memory-image-container {
        width: 100% !important;
        max-width: 850px !important;
        margin: 0 auto 30px auto !important; /* 增加底部空白间距 */
        padding: 0 !important;
        box-sizing: border-box !important;
    }
    
    /* 内存内容容器 - 确保与图片对齐 */
    .memory-content-container {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        box-sizing: border-box !important;
    }
    
    /* 内存内容 - 确保文本居中 */
    .memory-content {
        width: 100% !important;
        max-width: 850px !important;
        margin: 0 auto !important;
        padding: 0 !important;
        text-align: center !important;
        font-size: 20px;
        box-sizing: border-box !important;
    }
    
    /* 内存文本 - 确保完全居中 */
    .memory-text {
        width: 100% !important;
        max-width: 850px !important;
        margin: 0 auto !important;
        padding: 0 !important;
        text-align: center !important;
        box-sizing: border-box !important;
    }
    
    /* 祝福语内容 - 核心样式 */
    #blessingContent {
        width: 100% !important;
        max-width: 850px !important;
        margin: 0 auto !important;
        padding: 20px !important;
        text-align: center !important;
        box-sizing: border-box !important;
    }
    
    /* 装饰元素 - 确保对齐 */
    .memory-content-decoration-top,
    .memory-content-decoration-bottom {
        width: 100% !important;
        max-width: 850px !important;
        margin: 0 auto !important;
        padding: 0 !important;
        box-sizing: border-box !important;
    }
    
    /* 移动端特殊处理 */
    @media (max-width: 768px) {
        .screen-4 {
            width: 100% !important;
            max-width: 100% !important;
            padding: 0 !important;
            margin: 0 !important;
            box-sizing: border-box !important;
        }
        
        .memory-box {
            width: 100% !important;
            max-width: 100% !important;
            margin: 0 !important;
            padding: 0 !important;
            box-sizing: border-box !important;
        }
        
        .memory-image-container {
            width: 100% !important;
            max-width: 100% !important;
            margin: 50px auto !important; /* 移动端也保持50px间距 */
            padding: 0 !important;
            box-sizing: border-box !important;
        }
        
        .memory-content-container {
            width: 100% !important;
            max-width: 100% !important;
            margin: 0 !important;
            padding: 0 !important;
            box-sizing: border-box !important;
        }
        
        .memory-content {
            width: 100% !important;
            max-width: 100% !important;
            margin: 0 auto 50px auto !important; /* 文字后接图片有50px空间 */
            padding: 20px !important;
            text-align: center !important;
            box-sizing: border-box !important;
        }
        
        .memory-text {
            width: 100% !important;
            max-width: 100% !important;
            margin: 50px auto 0 auto !important; /* 图片后接文字有50px空间 */
            padding: 0 !important;
            text-align: center !important;
            box-sizing: border-box !important;
        }
        
        #blessingContent {
            width: 100% !important;
            max-width: 100% !important;
            margin: 30px auto !important;
            padding: 20px !important;
            text-align: center !important;
            box-sizing: border-box !important;
        }
        
        .memory-content-decoration-top,
        .memory-content-decoration-bottom {
            width: 100% !important;
            max-width: 100% !important;
            margin: 0 auto !important;
            padding: 0 !important;
            box-sizing: border-box !important;
        }
    }
    
    /* 确保所有元素box-sizing一致 */
    * {
        box-sizing: border-box !important;
    }
    
    /* 重要：重置所有memory相关样式，确保间距要求正确应用 */
    .memory-content-container {
        width: 100% !important;
        max-width: 850px !important;
        margin: 0 auto !important;
        padding: 0 !important;
        font-size: 22px;
        box-sizing: border-box !important;
    }
    
    .memory-content {
        width: 100% !important;
        max-width: 850px !important;
        margin: 0 auto 50px auto !important; /* 文字后面接图片时，底部50px空间 */
        padding: 20px !important;
        text-align: center !important;
        box-sizing: border-box !important;
        font-size: 20px;
    }
    
    .memory-text {
        width: 100% !important;
        max-width: 850px !important;
        margin: 50px auto 0 auto !important; /* 图片后面接文字时，顶部50px空间 */
        padding: 0 !important;
        text-align: center !important;
        font-size: 24px;
        box-sizing: border-box !important;
    }
    
    .memory-text p {
        font-size: 24px;
    }
    
    .memory-image-container {
        width: 100% !important;
        max-width: 850px !important;
        margin: 50px auto !important; /* 图片前后都有50px空间 */
        padding: 0 !important;
        box-sizing: border-box !important;
    }
    
    /* 最后的图片和祝福语容器之间的空间 */
    .memory-group:last-child .memory-image-container {
        margin-bottom: 30px !important;
    }
    
    #blessingContent {
        width: 100% !important;
        max-width: 850px !important;
        margin: 30px auto !important;
        padding: 20px !important;
        text-align: center !important;
        box-sizing: border-box !important;
    }
    
    .sender-text {
        font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        font-size: 24px;
        font-weight: bold;
    }
    
    .happy-birthday-text {
        font-size: 36px !important;
    }
}

/* 本地字体定义 */
@font-face {
    font-family: 'Kablammo';
    src: url('../fonts/Kablammo/Kablammo-Regular-VariableFont_MORF.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

/* Happy Birthday文字样式 */
.happy-birthday-text {
    font-family: 'Kablammo', cursive !important;
    color: #FFFFFF !important;
    font-size: 36px !important;
    text-align: center !important;
    margin-top: 20px !important;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8) !important;
    position: relative !important;
    z-index: 1 !important;
}

/* 发送者文本样式 */
.sender-text {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    color: #FFFFFF;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8);
    font-size: 28px;
    text-align: center;
    margin: 20px 0;
    font-weight: bold;
}

/* 祝福语白色卡片上方：来自xxx的祝福（铺在主题底色上，白字+阴影） */
.memory-box-9 > .memory-sender-above-blessing {
    width: 100%;
    max-width: 850px;
    margin: 8px auto 18px;
    padding: 0 12px;
    box-sizing: border-box;
    text-align: center;
}

.memory-box-9 > .memory-sender-above-blessing .sender-text {
    margin: 12px 0;
    color: #ffffff !important;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.55) !important;
    font-size: 28px;
}

/* 动画画布样式 - 已合并到上方定义 */

.animation-ui {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    text-align: center;
}

.animation-ui.enter {
    animation: enterAnimation 0.5s ease-out;
}

.animation-help {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
    cursor: pointer;
    color: white;
    font-size: 14px;
}

.animation-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 100;
    display: none;
}

.animation-overlay.animation-overlay--visible {
    display: flex;
    align-items: center;
    justify-content: center;
}

.animation-commands {
    background: white;
    padding: 20px;
    border-radius: 10px;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
}

.animation-commands-item {
    padding: 10px;
    border-bottom: 1px solid #eee;
    cursor: pointer;
}

.animation-commands-item:hover {
    background: #f5f5f5;
}

/* 回忆展示样式 */
.memories-container {
    width: 100%;
    height: 100%;
    overflow-y: auto;
    padding: 20px;
    box-sizing: border-box;
    text-align: center;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.35) transparent;
}

.memories-container::-webkit-scrollbar {
    width: 6px;
}

.memories-container::-webkit-scrollbar-track {
    background: transparent;
}

.memories-container::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.28);
    border-radius: 3px;
}

.memories-container::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 255, 255, 0.42);
}

.memory-group {
    text-align: center;
    margin: 0;
}

.memories-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.memories-timepoint {
    position: relative;
    margin-bottom: 40px;
    padding-left: 40px;
}

.memories-timepoint::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    background: #667eea;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 3px #667eea;
}

.memories-timepoint::after {
    content: '';
    position: absolute;
    left: 9px;
    top: 20px;
    width: 2px;
    height: calc(100% + 20px);
    background: #ddd;
}

.memories-timepoint:last-child::after {
    display: none;
}

.memories-box {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.memories-box:hover {
    transform: translateY(-2px);
}

.memories-content h3 {
    margin: 0 0 15px 0;
    color: #333;
    font-size: 18px;
}

.memories-content-area {
    min-height: 100px;
}

.memories-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 15px;
}


.blessing-message {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.message-sender {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
}

.message-content {
    font-size: 16px;
    line-height: 1.6;
    color: #333;
}

.memories-audio {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.audio-item {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.audio-info {
    margin-bottom: 10px;
}

.audio-title {
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* 图片模态框样式 */
.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 30px;
    cursor: pointer;
    z-index: 1001;
}

.modal-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* 加载状态样式 */
.loading {
    text-align: center;
    color: #666;
    font-size: 14px;
    padding: 20px;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #ddd;
    border-top: 2px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 叙事序幕样式 */
#narrativePrologue {
    --prologue-text-color: #ee9ca7;
    --prologue-bg: #ffdde1;
    background: var(--prologue-bg);
    opacity: 0;
    transition: opacity 2s cubic-bezier(0.2, 0, 0, 1),
                transform 2s cubic-bezier(0.2, 0, 0, 1),
                filter 2s cubic-bezier(0.2, 0, 0, 1);
}

/* 流光光斑 */
.aura-layer {
    position: absolute;
    width: 100%; height: 100%;
    top: 0; left: 0;
    z-index: 0;
    pointer-events: none;
}
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.6;
    transition: transform 3.5s cubic-bezier(0.2, 0, 0, 1), opacity 2s ease;
}
.blob-1 {
    width: 80vw; height: 80vw;
    top: -20%; left: -20%;
    background: radial-gradient(circle, #ffafbd 0%, transparent 70%);
}
.blob-2 {
    width: 70vw; height: 70vw;
    bottom: -10%; right: -10%;
    background: radial-gradient(circle, #ffc3a0 0%, transparent 70%);
}
.blob-3 {
    width: 60vw; height: 60vw;
    top: 20%; right: 10%;
    background: radial-gradient(circle, #ffffff 0%, transparent 60%);
    opacity: 0.3;
}

/* 序幕离场转场 */
#narrativePrologue.is-leaving {
    opacity: 0;
    transform: scale(1.2);
    filter: blur(30px);
}
#narrativePrologue.is-leaving .blob-1 { transform: translate(-10%, -10%) scale(2.5); opacity: 0; }
#narrativePrologue.is-leaving .blob-2 { transform: translate(10%, 10%) scale(2.5); opacity: 0; }
#narrativePrologue.is-leaving .blob-3 { transform: scale(4); opacity: 0; }

/* 序幕文字 */
.prologue-line {
    font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 28px;
    font-weight: 200;
    color: #4a3735;
    letter-spacing: 0.15em;
    line-height: 1.6;
    padding: 0 40px;
    position: absolute;
    left: 0;
    right: 0;
    text-align: center;
    top: 50%;
    transform: translateY(-40%) scale(0.85);
    opacity: 0;
    filter: blur(20px);
    display: none;
    will-change: transform, opacity, filter;
}
.prologue-line.is-visible {
    display: block;
    opacity: 1;
    transform: translateY(-50%) scale(1);
    filter: blur(0);
    transition: opacity 1.8s cubic-bezier(0.2, 0, 0, 1),
                transform 2.2s cubic-bezier(0.2, 0, 0, 1),
                filter 1.8s cubic-bezier(0.2, 0, 0, 1);
}
.prologue-line.is-fading {
    opacity: 0;
    transform: translateY(-60%) scale(1.15);
    filter: blur(15px);
    transition: opacity 1.4s cubic-bezier(0.2, 0, 0, 1),
                transform 1.4s cubic-bezier(0.2, 0, 0, 1),
                filter 1.4s cubic-bezier(0.2, 0, 0, 1);
}

/* 回忆屏入场（承接序幕转场） */
.screen-4 {
    opacity: 0;
    transform: scale(0.88);
    filter: blur(20px);
    transition: opacity 2.2s cubic-bezier(0.2, 0, 0, 1),
                transform 2.5s cubic-bezier(0.2, 0, 0, 1),
                filter 2.5s cubic-bezier(0.2, 0, 0, 1);
}
.screen-4.active {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
}

/* ===== 时光长卷样式 ===== */
.milestone-scroll {
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
}
.milestone-scroll::-webkit-scrollbar { width: 0; }

.milestone-card {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    perspective: 2000px;
}
.milestone-card-inner {
    width: 88%;
    max-width: 460px;
}
.milestone-photo {
    background: #fff;
    padding: 16px 16px 50px 16px;
    border-radius: 4px;
    box-shadow: 0 40px 120px rgba(0,0,0,0.08);
    border: 0.5px solid rgba(0,0,0,0.05);
}
.milestone-photo .photo-frame {
    width: 100%;
    height: 440px;
    overflow: hidden;
    border-radius: 2px;
    background: #fdfdfd;
    position: relative;
}
.milestone-photo .photo-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.milestone-date {
    position: absolute;
    top: -10px;
    right: -10px;
    background: #000;
    color: #fff;
    padding: 6px 18px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    z-index: 3;
}
.milestone-story {
    margin-top: 20px;
    text-align: center;
    padding: 0 20px;
}
.milestone-story .milestone-title {
    font-size: 10px;
    font-weight: 800;
    color: var(--p-accent, #ee9ca7);
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 12px;
}
.milestone-story p {
    font-family: "PingFang SC", "Microsoft YaHei", serif;
    font-size: 20px;
    line-height: 1.8;
    color: #2d2621;
    word-break: break-word;
    overflow-wrap: break-word;
}
.milestone-story p span {
    opacity: 0.1;
    transition: opacity 0.5s;
}
.milestone-story p span.active {
    opacity: 1;
}

/* 视差背景大字 */
.milestone-index {
    position: absolute;
    font-size: 35vw;
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px rgba(0,0,0,0.04);
    letter-spacing: -0.05em;
    z-index: 0;
    pointer-events: none;
    user-select: none;
}

/* 滚动提示 */
.hint-scroll {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 5px;
    color: var(--p-accent, #ee9ca7);
    text-transform: uppercase;
    z-index: 10;
    pointer-events: none;
    animation: breathe 3s ease-in-out infinite;
}
@keyframes breathe {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* 背景氛围色过渡 */
.milestone-ambient {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -2;
    transition: background 2s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}

/* 微尘粒子层 */
#dustCanvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
    pointer-events: none;
    opacity: 0.4;
}

/* ===== 终章许愿屏 ===== */
.screen-4 .final-chapter {
    min-height: 100vh;
    color: #4a3735;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10vh 20px;
    position: relative;
    overflow-x: hidden;
    font-family: -apple-system, "PingFang SC", sans-serif;
}
.screen-4 .final-chapter #finalDustCanvas {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1; pointer-events: none; opacity: 0.3;
}
.screen-4 .final-chapter .cake-stage {
    position: relative; width: 200px; height: 260px;
    margin-top: 10px; z-index: 10;
    filter: drop-shadow(0 20px 40px rgba(238,156,167,0.2));
}
.screen-4 .final-chapter #finalCake { display: block; margin: 0 auto; }
.screen-4 .final-chapter .velas {
    background: #fff; border-radius: 10px;
    position: absolute; top: 72px; left: 50%;
    margin-left: -2.5px; width: 5px; height: 35px;
    z-index: 11; display: block;
}
.screen-4 .final-chapter .fuego {
    border-radius: 100%; position: absolute;
    top: -20px; left: 50%; margin-left: -3.3px;
    width: 6.6px; height: 18px; pointer-events: none;
    transition: opacity 0.5s;
}
.screen-4 .final-chapter .fuego { animation: none; }
@keyframes finalFuego {
    0%, 100% { background: rgba(254,248,97,0.5); box-shadow: 0 0 40px 10px rgba(248,233,209,0.2); transform: translateY(0) scale(1); }
    50% { background: rgba(255,50,0,0.1); box-shadow: 0 0 40px 20px rgba(248,233,209,0.2); transform: translateY(-20px) scale(0); }
}
.screen-4 .final-chapter.candles-out .fuego { opacity: 0 !important; animation: none !important; }

.screen-4 .final-chapter .mic-controls { margin-top: 30px; display: flex; flex-direction: column; align-items: center; z-index: 100; }
.screen-4 .final-chapter .mic-trigger-btn {
    padding: 12px 35px; border-radius: 30px;
    border: 1px solid #ee9ca7; background: white;
    color: #ee9ca7; font-weight: bold; cursor: pointer; transition: 0.3s;
}
.screen-4 .final-chapter .mic-trigger-btn.active { background: #ee9ca7; color: white; }
.screen-4 .final-chapter .vol-meter-bg {
    width: 120px; height: 6px; background: rgba(0,0,0,0.05);
    border-radius: 3px; margin-top: 15px; overflow: hidden;
    opacity: 0; transition: opacity 0.5s;
}
.screen-4 .final-chapter .vol-meter-fill { width: 0%; height: 100%; background: #ee9ca7; transition: width 0.05s linear; }
/* ===== 祝福卡片（终章） ===== */
.premium-card-container {
    width: 100%; max-width: 480px;
    padding: 20px; margin: 0 auto;
    z-index: 10;
}
.blessing-card {
    background: #fff; padding: 50px 40px 35px;
    border-radius: 40px;
    box-shadow: 0 40px 120px rgba(74,55,53,0.08);
    border: 1px solid rgba(0,0,0,0.02);
}
.card-header-deco {
    display: flex; align-items: center; justify-content: center;
    gap: 10px; margin-bottom: 45px; opacity: 0.3;
}
.card-header-deco .line { width: 30px; height: 1px; background: #d4a373; }
.card-header-deco .dot { width: 4px; height: 4px; border-radius: 50%; background: #d4a373; }
.blessing-main-body {
    font-family: "STSong", "Kaiti", "PingFang SC", serif;
    font-size: 1.2rem; line-height: 2.2;
    color: #4a3735; letter-spacing: 1.5px;
    margin-bottom: 40px; text-align: justify;
}
.blessing-signature-wrap { text-align: right; margin-bottom: 40px; }
.blessing-signature {
    display: inline-block; font-size: 14px; font-weight: 800;
    color: #d4a373; letter-spacing: 3px; text-transform: uppercase;
    border-bottom: 1px solid rgba(212,163,115,0.2); padding-bottom: 8px;
}
.embedded-player {
    background: #fcfcfb; border-radius: 24px;
    padding: 14px 18px; border: 1px solid rgba(0,0,0,0.015);
}
.player-inner { display: flex; align-items: center; gap: 15px; }
.play-trigger {
    width: 44px; height: 44px; background: #fff;
    color: #d4a373; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    transition: 0.3s cubic-bezier(0.16,1,0.3,1);
}
.play-trigger:hover { transform: scale(1.05); }
.track-area { flex: 1; text-align: left; }
.track-label { font-size: 9px; font-weight: 900; text-transform: uppercase; letter-spacing: 1px; color: #ccc; margin-bottom: 6px; }
.track-base { height: 2px; background: #eee; border-radius: 1px; width: 100%; position: relative; }
.track-progress { width: 0%; height: 100%; background: #d4a373; border-radius: 1px; position: relative; }
.track-progress::after {
    content: ''; position: absolute; right: -4px; top: -4px;
    width: 10px; height: 10px; background: #fff;
    border: 2px solid #d4a373; border-radius: 50%;
}
.time-stamp { font-size: 10px; color: #bbb; font-family: "SF Mono", monospace; min-width: 35px; }
.show-up {
    animation: slideInPremium 1.8s cubic-bezier(0.16,1,0.3,1) both;
}
@keyframes slideInPremium {
    from { opacity: 0; transform: translateY(50px); filter: blur(20px); }
    to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

@media (max-width: 768px) {
    .prologue-line { font-size: 22px; }
    .milestone-photo .photo-frame { height: 300px; }
    .milestone-photo { padding: 10px 10px 30px 10px; }
}